{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc9f8d035960fe3a5b9d5511503e5a66cfb9df849424d367c84d18980de332cbd",
    "signature": "0x3bde71fe5c476ddee98053305b2c725b34d9afec6f03b8ee795fde2a671ebc7907c75d5197e6bc0b8f88f0030f6c6951c182919e2384a48dd9b7f30da3bab7261b",
    "signer": "0x069E9147fbc948d1169B7B8e5C452BBCE7129a92",
    "userId": "367519364"
  }
}